Muiri is a Bretonian alchemic apprentice. According to Elder Souls, you can however only marry one wife and can’t remarry at any point. The information here will also be useful in helping you determine their various locations so that you don’t traverse the entire Skyrim looking for a wife.
This piece shortlists the best 10 women you can choose to marry and settle down with. This is not to say that the choice will be an easy one as there are about 65 different love interests to pick from. The only catch to this is that you’ll need to complete their personal quests and gain their trust. With this amulet, you’ll be able to approach any character in the game that you’re interested in for marriage.
To be able to settle down with a companion, you’ll need the Amulet of Mara. When playing Skyrim, you’ll eventually want to find a permanent home to stay and perhaps acquire a permanent companion in the process.